1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.vfs2.provider.webdav;
18
19 import java.io.IOException;
20
21 import org.apache.commons.httpclient.HttpMethod;
22 import org.apache.commons.httpclient.HttpMethodRetryHandler;
23
24 /**
25 * A retry handler which will retry a failed webdav method one time.
26 * <p>
27 * Now that webdavlib didnt support adding a MethodRetryHandler only a few operations are restartable yet.
28 * </p>
29 *
30 * @since 2.0
31 */
32 public final class WebdavMethodRetryHandler implements HttpMethodRetryHandler {
33
34 private static final WebdavMethodRetryHandlerbdavMethodRetryHandler.html#WebdavMethodRetryHandler">WebdavMethodRetryHandler INSTANCE = new WebdavMethodRetryHandler();
35
36 private WebdavMethodRetryHandler() {
37 }
38
39 public static WebdavMethodRetryHandler getInstance() {
40 return INSTANCE;
41 }
42
43 @Override
44 public boolean retryMethod(final HttpMethod method, final IOException exception, final int executionCount) {
45 return executionCount < 2;
46 }
47 }